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74792057 = 312412647
BaseRepresentation
bin1000111010100…
…11110001111001
312012201211102012
410131103301321
5123121321212
611231015305
71565502434
oct435236171
9165654365
1074792057
113924441a
122106a535
1312658a72
149d0c81b
156875922
hex4753c79

74792057 has 4 divisors (see below), whose sum is σ = 77204736. Its totient is φ = 72379380.

The previous prime is 74792051. The next prime is 74792071. The reversal of 74792057 is 75029747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74792057 - 24 = 74792041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74792051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206293 + ... + 1206354.

It is an arithmetic number, because the mean of its divisors is an integer number (19301184).

Almost surely, 274792057 is an apocalyptic number.

It is an amenable number.

74792057 is a deficient number, since it is larger than the sum of its proper divisors (2412679).

74792057 is a wasteful number, since it uses less digits than its factorization.

74792057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412678.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 74792057 is about 8648.2401099877. The cubic root of 74792057 is about 421.3262254087.

The spelling of 74792057 in words is "seventy-four million, seven hundred ninety-two thousand, fifty-seven".

Divisors: 1 31 2412647 74792057